<template>
   <view>
      <view class="goods-list">
        <view  v-for="(item, i) in goodsList" :key="i" @click="gotoDetail(item)">
          <my-goods :goods="item" > </my-goods>
        </view>
      </view>
    </view>
</template>

<script>
  export default {
    data() {
      return {
        queryObj: {
          cid: '',
          query: '',
          pagenum: 1,
          pagesize: 10
        },
        total: 0,
        goodsList: [],
        // 是否正在请求数据
           isloading: false
      };
    },
    onLoad(options) {
      this.queryObj.cid = options.cid
      this.queryObj.query = options.query
      this.getGoodsList()
    },
    methods: {
      // 获得商品列表
      async getGoodsList(cd) {
        this.isloading=true
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/goods/search', {
          data: this.queryObj
        })
        this.isloading=false
        cd&&cd()
        if (res.meta.status !== 200) return uni.$showMsg()
        this.goodsList = [...this.goodsList,...res.message.goods]
        this.total = res.message.total
      },
      // 点击跳转到商品详情页面
      gotoDetail(item) {
        uni.navigateTo({
          url: '/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id
        })
      }
    },
    // 上拉获取更多
  onReachBottom() {
    if(this.queryObj.pagenum * this.queryObj.pagesize >= this.total) return 
    if(this.isloading) return
    this.queryObj.pagenum +=1
    this.getGoodsList()
  },
  // 下拉刷新
  onPullDownRefresh() {
   // 1. 重置关键数据
     this.queryObj.pagenum = 1
     this.total = 0
     this.isloading = false
     this.goodsList = []
     
       // 2. 重新发起请求
       this.getGoodsList(() => uni.stopPullDownRefresh())
  }
  }
</script>

<style lang="scss">

</style>
